Flashが使えるかどうかの判定js

FlashPlayerVer.js

function FlashPlayerVer() {
  var flashplayer_ver = 0;
  if(navigator.plugins && navigator.mimeTypes['application/x-shockwave-flash']){
    var plugin = navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin;
    if(plugin){
      flashplayer_ver = parseInt(plugin.description.match(/\d+\.\d+/));
    }
  } else {
    try{
      var flashOCX = new ActiveXObject("ShockwaveFlash.ShockwaveFlash").GetVariable("$version").match(/([0-9]+)/);
      if(flashOCX){
        flashplayer_ver = parseInt(flashOCX[0]);
      }
    }catch(e){}
  }
  if(flashplayer_ver <= 6){
    flashplayer_ver = 0;
  }
  return flashplayer_ver;
}